El Niño Displaces Cholera Cases

Cholera cases in East Africa surge by nearly 50,000 during El Niño, according to a recent JHSPH study published in PNAS.
The El Niño weather occurrence typically brings higher precipitation that can cause sewage overflow, affecting water sources. It can also create drier patterns in some areas, limiting clean water sources.
The study found that the overall number of cholera cases in Africa remains stable, but the change in weather patterns largely displaces the disease to the eastern part of the continent. Researchers hope the findings will help other parts of the world plan for and assess potential outbreaks.
Source: JHSPH

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